1722164332 has 48 divisors (see below), whose sum is σ = 3661620480. Its totient is φ = 692280000.

The previous prime is 1722164321. The next prime is 1722164387. The reversal of 1722164332 is 2334612271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1722164294 and 1722164303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37707 + ... + 69757.

It is an arithmetic number, because the mean of its divisors is an integer number (76283760).

Almost surely, 2^1722164332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1722164332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830810240).

1722164332 is an abundant number, since it is smaller than the sum of its proper divisors (1939456148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1722164332 is a wasteful number, since it uses less digits than its factorization.

1722164332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32182 (or 32180 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 1722164332 is about 41498.9678425862. The cubic root of 1722164332 is about 1198.6476274054.

The spelling of 1722164332 in words is "one billion, seven hundred twenty-two million, one hundred sixty-four thousand, three hundred thirty-two".